Edelrid OHM II

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Does exactly what it says on the box. I weigh 85kg and most of my climbing buddies are between 50-65kg. Makes their lives a lot easier when you don't have to worry about the weight!

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Works perfectly when there is a weight difference between climbers.

We have about 40% weight difference with my partner and this devise changed the belaying situation dramatically for us. There are some downsides (the rope jammed once or twice, it's impossible to give a proper slack), but hey, with such a weight difference the belayer just can't belay properly without an aid; with Ohm it is now a comfortable process. So, very satisfied.

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Even easier to use than the first version. My girlfriend no longer gets sucked into the first quickdraw.

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Lighter than the older model. Provides added comfort between a light belayer and a heavier climber. Lowering the climber may be a bit uncomfortable, though, as the device grips the rope tightly even if you are standing directly below it - this is with a 9.7 mm rope. This problem does not exist with a 9.8 mm rope, as the rope does not sink as deeply into the brake groove.

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It's great

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I recommend if there is a lot of weight difference

My partner is 1.6 times of my weight and I always had a bad time belaying him. But after getting OHM, it's a life changing experience, I didn't get lifted up when my partner fell. Really loved it and highly recommended it!

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I haven't tried it yet, but as far as I can see, it's perfect.

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Slightly better than the previous version I've used (not mine). It works by giving certainty to the climber and the belayer, if the belayer is significantly lighter.